title: Fallopian tube sperm perfusion versus intrauterine insemination in unexplained infertility: a randomized, prospective, cross-over trial.
mesh_terms: D018592:Cross-Over Studies; D005187:Fallopian Tubes; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods*; D006801:Humans; D007246:Infertility / Q000628:therapy*; D008183:Luteal Phase / Q000502:physiology; D008297:Male; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D013094:Spermatozoa / Q000166:cytology*; D014599:Uterus